substantial change in coverage shall not be effective as to the Lessor for thirty (30) days (ten
(10) days in the event of non-payment of premiums, seven (7) days in the case of war risks
coverage) after receipt by Lessor of written notice from the insurer of such cancellation or
change, (3) insure Lessor’s interest regardless of any breach of warranty or other act or omission
of Lessee, (4) include a